Doctor profile · Federal record

Dr. Vivian Ahn, M.D.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · San Antonio, TX

  • NPI 1093151292
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11212 State Hwy 151 Suite 350, Plaza 2
San Antonio, TX 78251
(210) 281-5066
fax (210) 281-4459

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
May 3, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Texas #R3987

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093151292. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
65
Distinct HCPCS
3
Medicare allowed
$4,740
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 35 20 $120
81002 Urinalysis, manual test 17 15 $3
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 13 13 $37

In context: peer comparison

Among 57 peers in this city , average services per provider: 32. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$222
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 1 $151.44
Organon Llc 2 $31.71
CooperSurgical, Inc. 1 $25.35
SHIELD THERAPEUTICS INC 1 $13.82

By nature of payment

Food and Beverage
$222

Frequently asked questions

Auto-generated from federal data
What is Dr. Vivian Ahn's medical specialty?
Dr. Vivian Ahn practices Obstetrics & Gynecology Physician in San Antonio, TX.
Where does Dr. Vivian Ahn practice?
Dr. Vivian Ahn practices at 11212 State Hwy 151 Suite 350, San Antonio, TX 78251. Office phone: 2102815066.
What is Dr. Vivian Ahn's NPI?
Dr. Vivian Ahn's National Provider Identifier (NPI) is 1093151292, issued by NPPES.
Does Dr. Vivian Ahn accept Medicare assignment?
Yes. Dr. Vivian Ahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vivian Ahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.